/Engine/Source/Runtime/GeometryCore/Public/DynamicSubmesh3.h
Constructor sets the base mesh and computes the submesh
FDynamicSubmesh3 ( const [FDynamicMesh3](API\Runtime\GeometryCore\DynamicMesh\FDynamicMesh3) * BaseMesh, const [TArray](API\Runtime\Core\Containers\TArray)< int > & Triangles, int WantComponents, bool bAttributes )